The first two wave types, P and S, are called body waves because they travel or propagate through the body of Earth. The latter two are called surface waves they the travel along Earth's surface and their amplitude decreases with depth into Earth.
Toysmith Spring Ring Game. Here is a super fun game the kids might like. Nordstrom has this Toysmith Spring Ring Game for $14.98! That is down from the normal price of $24.99, for a 40% savings.
In the UK, Liverpool Victoria did some research back in 2011 which claimed the average engagement ring was believed to cost Â£1,231 ($2,069) which LV claimed meant the average man spends the equivalent of three weeks' pay on a ring.